noun
Yangtze and Yellow rivers; large river
Literary term. Originally refers specifically to the Yangtze and Yellow rivers, but can also mean any large river in elevated or classical contexts.
江河の流れは悠久の歴史を物語る。
The flow of the great rivers tells of an eternal history.
この地図には中国の主要な江河が描かれている。
This map depicts the major rivers of China.
黄河 is the modern standard name for the Yellow River; 江河 is a classical compound that pairs it with the Yangtze River.
Compound of 江 (Yangtze River) and 河 (Yellow River). The combination originally referred to these two great rivers of China and later extended to mean any large river in literary usage.